Diagrams; Block Diagram - Main Section - Sony CDX-5V661A Service Manual

4-1. BLOCK DIAGRAM – MAIN Section –
B+ VCC
22
(+5V)
VC
27
VC
A A
6
A
B B RFAC
B 7
SUMMING
C C
C 8
AMP
D D
9
A
B
E-F
C SUMMING
AMP
D
RF AMP,
FOCUS/TRACKING
ERROR AMP A
OPTICAL
IC201 (1/2)
B
RFDC
PICK-UP
C SUMMING
BLOCK
AMP
(KSS-660C)
D
A
FOCUS
B
ERROR
C
SUMMING
D
AMP
E
10
E
TRACKING
ERROR
AMP
F
F 11
AUTOMATIC
POWER LD APC
LD 1
CONTROL AMP
Q201, 207, 208
PD
PD 2
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC301
F+ OUTIR
F+ 16
F– OUT1F
F– 18
T– OUT2R
T– 20
T+ OUT2F
T+ 22
PRE DRIVE
CONTROL
LOGIC
SLED (+) OUT4F
39
M101
M M
SLED
SLED (–) OUT4R
MOTOR
41
SPINDLE (–) OUT3R
45
M102
M M
SPINDLE
SPINDLE (+) OUT3F
MOTOR
43
S2
(HOME)
S1
(LIMIT)
SECTION 4

DIAGRAMS

DVC
14
B+
DVCC
13 RF AMP,
(LOCAL +3.3V)
FOCUS/TRACKING ERROR AMP
IC201 (2/2)
RFAC
AC SUM RFAC
4 SWITCH 3 EQ
VCA
Q202
23 24 25
CE
20
SWITCH
ON/OFF
Q210
RFDCO
28
ROM/RW
SWITCH
Q209
FE
16
SWITCH
Q206
TE
18
Q670
ROM/RW
SW
12 SWITCH
Q204
IN1R FRDR
13
IN1F FFDR
14
IN2R TFDR
24
IN2F TRDR
25
&
IN4R SRDR
36
IN4F SFDR
37
IN3+ MDP
2
IN3– C176/MDS
8
VC
63 VC
SIGNAL
RFAC
15 71 PROCESSOR
BLOCK
DAC
CE
59
MIRR
MIRROR, DEFECT MIRROR,
33
SWITCH DEFECT,
DFCT
34
Q690, 691 FOK
RFDC
58
VC
FE
62
OP AMP, VIBRATION
A/D MEMORY
CONVERTER CONTROLLER/
TE
COMPRESSION
60
SE EXPANDER
61
FOK
FOK
SWITCH 35
Q671
FRDR FRDR
51
FFDR FFDR
50
TFDR TFDR
48
SERVO
TRDR TRDR
49 BLOCK
SRDR SRDR
47
DIGITAL SIGNAL PROCESSOR,
SFDR SFDR
46
DIGITAL SERVO PROCESSOR,
D-RAM CONTROLLER
MDP MDP
43
IC601
C176
/MDS
MDS
44
37 27 26 25 24 23 22 21 17 15 14 12 9 8 81
46 47 48 49 50 51 52 54 31 63 61 55 56 57 66
45 FOK
LENS FOCUS
SWITCH 42 FOLOCK
Q672
ESP/NORMAL
SWITCH 70 RF SW
Q205
43 R/RW SW
107 MDP
71 MDS
40 OPH
41 LMT IN
39 39
CDX-5V661/5V661A/5V661D/5V661S
AOUT1
LINE AMP
99
IC760
L.P.F
AOUT2
102 R-CH
MUTING
Q720
R-CH
MUTING
LRMU
13 DRIVE
Q700 – 702
D-RAM
IC602
D0 – D3 D0 – D3
D861
A0 – A10 A0 – A10
XRAS
113 5 RAS
XWE
114 4 WE
XCAS
119 23 CAS
XOE
120 24 CE
XTAI 93
X601
16.934MHz
XTAO 94
78
32 69 77 37 78 109 122 97 101
SYSTEM CONTROLLER
IC801 (1/2)
• R-CH : R-ch is omitted due to same as L-ch.
• SIGNAL PATH
CN181
8
AUDIO LEFT
10
AUDIO RIGHT
R-CH
B+
(µCOM 3.3V)
CONTROL
D851
7
CONT VOLT
VOLTAGE
SWITCH
Q850, 851
TO
DIMMER
D863 HEAD
DIMMER 6
SIG
UNIT
INT. SWITCH
Q852
IC870
5
DATA IN
3
DATA OUT
BUFFER
Q862
4
DATA CLK
BUFFER
Q863
D181
1
B+
CN182
3
B+
A
4
(Page 40)
: CD (PLAY)